diff --git a/CC.Yi.API/CC.Yi.API.csproj b/CC.Yi.API/CC.Yi.API.csproj
index 4e2559a2..697c4d89 100644
--- a/CC.Yi.API/CC.Yi.API.csproj
+++ b/CC.Yi.API/CC.Yi.API.csproj
@@ -5,6 +5,8 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Autofac" Version="6.1.0" />
+    <PackageReference Include="Autofac.Extensions.DependencyInjection" Version="7.1.0" />
     <PackageReference Include="Microsoft.EntityFrameworkCore.Design" Version="5.0.4">
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
diff --git a/CC.Yi.API/Program.cs b/CC.Yi.API/Program.cs
index 970c28f8..f10b5838 100644
--- a/CC.Yi.API/Program.cs
+++ b/CC.Yi.API/Program.cs
@@ -1,3 +1,4 @@
+using Autofac.Extensions.DependencyInjection;
 using CC.Yi.DAL;
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Configuration;
@@ -38,6 +39,6 @@ namespace CC.Yi.API
                 .ConfigureWebHostDefaults(webBuilder =>
                 {
                     webBuilder.UseStartup<Startup>();
-                });
+                }).UseServiceProviderFactory(new AutofacServiceProviderFactory());
     }
 }
diff --git a/CC.Yi.API/Startup.cs b/CC.Yi.API/Startup.cs
index fe9446c4..ec647137 100644
--- a/CC.Yi.API/Startup.cs
+++ b/CC.Yi.API/Startup.cs
@@ -1,5 +1,8 @@
 
+using Autofac;
+using Autofac.Extras.DynamicProxy;
 using CC.Yi.BLL;
+using CC.Yi.Common.Castle;
 using CC.Yi.DAL;
 using CC.Yi.IBLL;
 using CC.Yi.IDAL;
@@ -45,8 +48,18 @@ namespace CC.Yi.API
             {
                 options.UseSqlServer(connection, b => b.MigrationsAssembly("CC.Yi.API"));//设置数据库
             });
-            services.AddScoped(typeof(IBaseDal<>), typeof(BaseDal<>));
-            services.AddScoped(typeof(IstudentBll), typeof(studentBll));
+            //依赖注入转交给Autofac
+            //services.AddScoped(typeof(IBaseDal<>), typeof(BaseDal<>));
+            //services.AddScoped(typeof(IstudentBll), typeof(studentBll));
+        }
+
+        //动态 面向AOP思想的依赖注入 Autofac
+        public void ConfigureContainer(ContainerBuilder builder)
+        {
+            builder.RegisterType(typeof(CustomAutofacAop));
+            builder.RegisterGeneric(typeof(BaseDal<>)).As(typeof(IBaseDal<>)) ;
+            builder.RegisterType<studentBll>().As<IstudentBll>().EnableInterfaceInterceptors();//表示注入前后要执行Castle
+  
         }
 
         // This method gets called by the runtime. Use this method to configure the HTTP request pipeline.
diff --git a/CC.Yi.Common/CC.Yi.Common.csproj b/CC.Yi.Common/CC.Yi.Common.csproj
index a20524d3..efd8020e 100644
--- a/CC.Yi.Common/CC.Yi.Common.csproj
+++ b/CC.Yi.Common/CC.Yi.Common.csproj
@@ -5,6 +5,8 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <PackageReference Include="Autofac.Extras.DynamicProxy" Version="6.0.0" />
+    <PackageReference Include="Castle.Core" Version="4.4.1" />
     <PackageReference Include="Newtonsoft.Json" Version="12.0.3" />
   </ItemGroup>
 
diff --git a/CC.Yi.Common/Castle/CustomAutofacAop.cs b/CC.Yi.Common/Castle/CustomAutofacAop.cs
new file mode 100644
index 00000000..526d39ef
--- /dev/null
+++ b/CC.Yi.Common/Castle/CustomAutofacAop.cs
@@ -0,0 +1,23 @@
+锘縰sing Castle.DynamicProxy;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace CC.Yi.Common.Castle
+{
+    public class CustomAutofacAop : IInterceptor
+    {
+        public void Intercept(IInvocation invocation)
+        {
+            { 
+            
+            //杩欓噷鍐欐墽琛屾柟娉曞墠
+            }
+            invocation.Proceed();//鎵ц鍏蜂綋鐨勫疄渚�
+            { 
+            
+            //杩欓噷鍐欐墽琛屾柟娉曞悗
+            }
+        }
+    }
+}
diff --git a/CC.Yi.IBLL/CC.Yi.IBLL.csproj b/CC.Yi.IBLL/CC.Yi.IBLL.csproj
index 54b41008..778e1962 100644
--- a/CC.Yi.IBLL/CC.Yi.IBLL.csproj
+++ b/CC.Yi.IBLL/CC.Yi.IBLL.csproj
@@ -6,6 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
+    <ProjectReference Include="..\CC.Yi.Common\CC.Yi.Common.csproj" />
     <ProjectReference Include="..\CC.Yi.Model\CC.Yi.Model.csproj" />
   </ItemGroup>
 
diff --git a/CC.Yi.IBLL/IBaseBll.cs b/CC.Yi.IBLL/IBaseBll.cs
index 456c9be7..ff781ea7 100644
--- a/CC.Yi.IBLL/IBaseBll.cs
+++ b/CC.Yi.IBLL/IBaseBll.cs
@@ -1,10 +1,13 @@
-锘縰sing System;
+锘縰sing Autofac.Extras.DynamicProxy;
+using CC.Yi.Common.Castle;
+using System;
 using System.Collections.Generic;
 using System.Linq;
 using System.Linq.Expressions;
 
 namespace CC.Yi.IBLL
 {
+    [Intercept(typeof(CustomAutofacAop))]
     public interface IBaseBll<T> where T : class, new()
     {
         #region